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CVE-2009-3051

7.5 · HIGH

Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to ex…

Published Sep 10, 2009silcnetCWE-134EPSS 4.83%

Overview

CVE-2009-3051 is a high-severity vulnerability affecting silcnet silc_client. It was published on September 10, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code via format string specifiers in a nickname field, related to the (1) silc_client_add_client, (2) silc_client_update_client, and (3) silc_client_nickname_format functions.

Remediation

Check the references section for vendor advisories and patches from silcnet. Update silc_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
silcnetsilc_client0Affected
silcnetsilc_toolkit0Affected

References

Reflists.opensuse.org/opensuse-security-announce/2009-10/msg00001.htmlRefsecunia.com/advisories/36134Refsecunia.com/advisories/36614Refsilcnet.org/docs/changelog/SILC%20Client%201.1.8Refsilcnet.org/docs/changelog/SILC%20Toolkit%201.1.10Refsilcnet.org/docs/release/SILC%20Client%201.1.8Refsilcnet.org/general/news/news_client.phpRefsilcnet.org/general/news/news_toolkit.phpRefwww.debian.org/security/2009/dsa-1879Refwww.mandriva.com/security/advisories?name=MDVSA-2009:234

How CyberStrike helps

Frequently asked questions

What is CVE-2009-3051?

CVE-2009-3051 is a high-severity vulnerability affecting silcnet silc_client. It was published on September 10, 2009 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2009-3051?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2009-3051?

Check the references section for vendor advisories and patches from silcnet. Update silc_client to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2009-3051?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2009-3051 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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